107431681 has 8 divisors (see below), whose sum is σ = 129241280. Its totient is φ = 87237648.

The previous prime is 107431679. The next prime is 107431693. The reversal of 107431681 is 186134701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 107431681 - 2¹ = 107431679 is a prime.

It is a super-2 number, since 2×107431681² = 23083132164971522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (107431651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403746 + ... + 404011.

It is an arithmetic number, because the mean of its divisors is an integer number (16155160).

Almost surely, 2^107431681 is an apocalyptic number.

It is an amenable number.

107431681 is a deficient number, since it is larger than the sum of its proper divisors (21809599).

107431681 is an equidigital number, since it uses as much as digits as its factorization.

107431681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807783.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 107431681 is about 10364.9255183045. The cubic root of 107431681 is about 475.3835218346.

The spelling of 107431681 in words is "one hundred seven million, four hundred thirty-one thousand, six hundred eighty-one".